Issue in Arora

[Ivan Loskutov]

Hello.

In the latest version of Genode didn't work Arora browser.
I have messages in log:
no RM attachment (READ pf_addr=0 pf_ip=14b05e4 from 60e000)
virtual void Genode::Pager_activation_base::entry(): Could not resolve pf=0
ip=14b05e4

I tried to investigate this issue. I launched Arora with gdb-server:
Program received signal SIGSEGV, Segmentation fault.
0x000632e3 in l4_ipc_call (timeout=..., snd_tag=<optimized out>,
dest=<optimized out>, u=<optimized out>) at /home/ivan/projects/genode/
genode-ksyslabs-staging/_build.foc_x86_32/include/x86/l4f/l4/sys/ipc
-l42-gcc3-nopic.h:54
54           );
(gdb) bt
#0  0x000632e3 in l4_ipc_call (timeout=..., snd_tag=<optimized out>,
dest=<optimized out>, u=<optimized out>) at /home/ivan/projects/genode/
genode-ksyslabs-staging/_build.foc_x86_32/include/x86/l4f/l4/sys/ipc
-l42-gcc3-nopic.h:54
#1  l4_irq_receive_u (utcb=<optimized out>, to=<optimized out>,
irq=<optimized out>) at /home/ivan/projects/genode/genode-ksyslabs
-staging/_build.foc_x86_32/include/l4/sys/irq.h:254
#2  l4_irq_receive (to=<optimized out>, irq=<optimized out>) at /home/ivan
/projects/genode/genode-ksyslabs-staging/_build.foc_x86_32/include/l4/sys/
irq.h:303
#3  thread_stop_myself () at /home/ivan/projects/genode/genode-ksyslabs
-staging/base-foc/src/base/lock/lock_helper.h:105
#4  Genode::Cancelable_lock::lock (this=0x11b6648) at /home/ivan/projects/
genode/genode-ksyslabs-staging/base/src/base/lock/lock.cc:100
#5  0x011b65d8 in _stack_low ()
#6  0x011b6648 in _stack_low ()
#7  0x01096ba2 in Genode::Lock::lock (this=0x11b6614) at /home/ivan
/projects/genode/genode-ksyslabs-staging/base/include/base/lock.h:35
#8  0x01096fa4 in block (this=0x11b6614) at /home/ivan/projects/genode/
genode-ksyslabs-staging/base/include/base/semaphore.h:46
#9  down (this=0x11b65d4) at /home/ivan/projects/genode/genode-ksyslabs
-staging/base/include/base/semaphore.h:155
#10 main (argc=18572648, argv=0x0) at /home/ivan/projects/genode/genode-
ksyslabs-staging/qt4/src/lib/qt_main/qt_main.cc:70

What may cause this error? How to debug in such cases?

--
Ivan Loskutov
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